Products Thermal Equipment Graphitization furnace Negative Material Graphitization Furnace
Negative Material Graphitization Furnace

Graphitization furnace

Negative Material Graphitization Furnace

Item Number : GF-04

Price varies based on specs and customizations


Volume (L)
125 / 196 / 282 / 550 / 1000 / 1500
Effective heating area (mm)
Φ400×1000 / Φ500×1000 / Φ600×1000 / Φ700×1400 / Φ900×1600 / Φ1000×2000
Power (KW)
150 / 250 / 350 / 550 / 700 / 1000
Frequency (HZ)
1500 / 1000
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Introduction

A graphitization furnace is a specialized piece of equipment used in the production of battery negative electrode materials. It utilizes medium frequency induction heating for rapid temperature increase and high efficiency. The unique furnace design ensures excellent temperature uniformity throughout the furnace body. Double-layer alumina brick insulation offers exceptional heat insulation and fire resistance, minimizing heat loss and enhancing equipment stability. The system allows for continuous operation through multiple power supplies and electric furnaces, with configurable heating and cooling cycles. Advanced features include a digital flow monitoring system for water flow monitoring and protection, high-performance medium frequency contactor, and a comprehensive PLC water, electricity, gas automatic control and protection system.

Negative Material Graphitization FurnaceNegative Material Graphitization FurnaceNegative Material Graphitization Furnace

Applications

Negative material graphitization furnaces are used in a variety of applications, including:

  • Production of battery negative electrode materials
  • Graphitization of carbon felt
  • Graphitization of carbon fiber
  • Graphitization of petroleum coke
  • Graphitization of coal tar pitch

Features

  • Enhanced Temperature Uniformity: Utilizes medium frequency induction heating for rapid temperature rise and high efficiency. The unique furnace design significantly improves temperature uniformity throughout the furnace body, ensuring consistent graphitization results.

  • Energy-Efficient and Stable Operation: Employs double-layer alumina brick insulation to prevent short circuits between carbon felt and coil. This design ensures good heat insulation and fire resistance, minimizing heat loss and promoting equipment stability.

  • Continuous Operation Capability: Multiple electric furnaces can be powered by a single power supply, allowing for continuous operation. The furnaces can be individually heated up and cooled down based on the sintering process time, maximizing productivity.

  • Comprehensive Control and Protection System: Features a digital flow monitoring system with water flow monitoring and protection in the power cabinet. The furnace conversion utilizes high-performance medium frequency contactors. The PLC-based water, electricity, and gas automatic control and protection system ensures safe and reliable operation.

Principle

The negative material graphitization furnace utilizes medium frequency induction heating to rapidly raise the temperature of carbonaceous materials, inducing their conversion into graphite. This process takes place in an inert atmosphere to prevent oxidation and maintain the integrity of the graphite structure. The furnace's unique design ensures uniform temperature distribution throughout the chamber, resulting in consistent graphitization of the material.

Advantages

  • High temperature uniformity: The unique furnace design ensures consistent temperature distribution throughout the furnace chamber, resulting in uniform graphitization of the materials.
  • Energy efficiency: Double-layer alumina brick insulation minimizes heat loss, reducing energy consumption and operating costs.
  • High stability: The furnace's robust construction and double-layer insulation provide excellent stability, preventing short circuits and ensuring reliable operation.
  • Continuous operation: Multiple furnaces can be connected to a single power supply, allowing for continuous operation with staggered heating and cooling cycles.
  • Precise control: Digital flow monitoring and PLC-based control system enable precise regulation of water, electricity, and gas supply, ensuring optimal process conditions.
  • High efficiency: Medium frequency induction heating promotes rapid temperature rise, significantly increasing process efficiency.
  • Versatile applications: Suitable for a wide range of high-temperature treatments and graphitization processes, including battery negative electrode materials production.

Technical parameters and model specifications

Maximum operating temperature: 3100℃

Commonly used temperature: 2800℃

Working atmosphere in the furnace: argon, nitrogen

Temperature uniformity: ≤±25℃

Temperature measurement: infrared optical temperature measurement (1000-3200C);

Temperature measurement accuracy: 0.2~0.75%

Temperature control: program control and manual control

Temperature control accuracy: ±1℃

Product model specifications GF-04-Ф40×100 GF-04-Ф50×100 GF-04-Ф60×100 GF-04-Ф70×140 GF-04-Ф90×160 GF-04-100×200
Volume(L) 125 196 282 550 1000 1500
Rated temperature(C) 2800 2800 2800 2800 2800 2600
Limit temperature(C) 3100 3100 3100 3100 300 2800
Effective heating area (mm) Ф400×1000 Ф500×1000 Ф600×1000 Ф700×1400 Ф900×1600 Ф1000×2000
Power(KW) 150 250 350 550 700 1000
Frequency(HZ) 1500 1000 1000 1000 1000 1000
Temperature control method Japan Shima Electric Thermostat
Heating method Induction heating
Vacuum system Rotary vane vacuum pump (for high vacuum requirements, Roots vacuum pump and oil diffusion pump are required)
Sintering atmosphere N² Ar and other gases
Rated power supply voltage (V) 380
Rated heating voltage (V) 750
Vacuum limit (Pa) 100 (vacuum cold state)

FAQ

What Is A Graphitization Furnace?

A graphitization furnace is a specialized piece of equipment used to convert carbonaceous materials, such as petroleum coke or coal tar pitch, into graphite through high-temperature processing in an inert atmosphere. This process typically involves temperatures ranging from 2500 to 3000 degrees Celsius.

What Are Muffle Furnace Used For?

Muffle furnaces are mainly used for high-temperature applications in industrial manufacturing and laboratory environments. They provide a controlled and insulated environment for heating materials, allowing precise temperature control. Muffle furnaces are ideal for ashing samples, heat-treating applications, and materials research. They are commonly used for melting glass, creating enamel coatings, technical ceramics, soldering, and brazing. Muffle furnaces use technology and design to achieve greater control of temperature uniformity and isolate heated materials from combustion contaminants.

What Is The Purpose Of A Negative Material Graphitization Furnace?

It is used in the graphitization production of battery negative electrode materials.

What Are The Environmental Considerations For Using A Negative Material Graphitization Furnace?

Emissions and waste products, including greenhouse gases and solid residues. Manufacturers may implement measures to mitigate environmental impact, such as capturing and treating emissions and properly disposing of solid residues in compliance with regulatory requirements.

What Are The Main Applications Of Graphitization Furnaces?

Graphitization furnaces are crucial in industries such as metallurgy, electronics, and aerospace. They produce high-quality graphite products like electrodes, crucibles, and structural components, which are essential for various high-temperature applications.

What Is A Pyrolysis Furnace?

A pyrolysis furnace is a high-temperature furnace used to carry out the process of pyrolysis. Pyrolysis is a thermal decomposition process in which organic materials are heated to high temperatures in the absence of oxygen, resulting in the breakdown of complex molecules into simpler compounds or elemental constituents.

What Is A Rotary Tube Furnace?

A rotary tube furnace is a circular furnace that rotates during heat-treatment. It is designed to heat loose materials for physiochemical processing and is used for continuous materials processing. These furnaces feature a metal drum lined with refractory, which is mounted at an angle and can burn pulverized, solid, gaseous or liquid fuel into its working section. Rotary tube furnaces have a wide range of applications, including the manufacturing of materials such as alumina, vermiculite, iron ore pellets and cement clinker, as well as for oxidation and calcination processes.

What Are The Types Of Muffle Furnace?

Box furnace, tube furnace, crucible furnace, split furnace, vacuum furnace, and multi-zone furnace are some types of muffle furnaces. The choice of muffle furnace depends on the specific application and requirements of the user.

What Is Electric Rotary Kiln?

Electric rotary kiln is a type of rotary kiln that uses electricity as its heating source to indirectly heat materials in the kiln body. It is commonly used for high-temperature oxidation and reduction reactions, calcination of granular or powder materials, and other industrial applications. The temperature of the kiln can reach up to 1100℃, and it is widely used for the calcination and drying of various materials, including positive and negative electrode materials, rare earth materials, magnetic materials, and non-metallic mineral materials. Its advantages include high-speed electric heating, energy efficiency, and environmental friendliness.

What Materials Can Be Processed In A Negative Material Graphitization Furnace?

Carbonaceous materials, such as petroleum coke or coal tar pitch.

What Are The Different Types Of Graphitization Furnaces?

There are several types of graphitization furnaces, including Horizontal High Temperature Graphitization Furnaces, Large Vertical Graphitization Furnaces, Continuous Graphitization Furnaces, Negative Material Graphitization Furnaces, Vertical High Temperature Graphitization Furnaces, Ultra-high Temperature Graphitization Furnaces, IGBT Experimental Graphitization Furnaces, High Thermal Conductivity Film Graphitization Furnaces, Bottom Discharge Graphitization Furnaces for Carbon Materials, and 2200°C Graphite Vacuum Furnaces.

How Does A Pyrolysis Furnace Work?

Pyrolysis furnaces work by subjecting organic materials to high temperatures, typically in the range of 400-1000 degrees Celsius, in an oxygen-free environment. The absence of oxygen prevents combustion and allows for the thermal decomposition of the organic material. The furnace is designed to provide a controlled temperature environment and may incorporate heating elements, insulation, and gas flow control mechanisms. The organic material is loaded into the furnace chamber, heated to the desired temperature, and held at that temperature for a specific duration to facilitate the pyrolysis process. The resulting products, such as gases, liquids, and solids, can be collected and further processed or analyzed.

How Does A Rotary Tube Furnace Work?

A rotary tube furnace is a circular furnace that rotates during heat-treatment. It burns fuel and the heating gases created flow towards the sample. The furnace features a metal drum lined with refractory, mounted at an angle. Loose materials are heated for physiochemical processing and the heat is transferred from a heat source to a rotating tube which holds the sample. Rotary tube furnaces are designed for continuous materials processing and have multiple thermal control zones. They have a wide range of applications, including the manufacture of alumina, vermiculite, iron ore pellets, and cement clinker.

What Is Muffle Furnace In Chemistry?

A muffle furnace is a type of oven equipment used in chemistry that can reach high temperatures and provides a controlled and insulated environment for heating materials, allowing precise temperature control. It separates the object to be heated from all byproducts of combustion from the heat source. Muffle furnaces are used in solid-state reactions, such as reducing metals or creating oxides, and for limiting oxygen exposure in materials. They are also used in high-temperature chemical vapor deposition processes and are ideal for ashing samples, heat-treating applications, and materials research.

How Does A Electric Rotary Kiln Work?

An electric rotary kiln works by gradually heating materials, such as minerals and ores, to very high temperatures using electricity as its power source. The kiln consists of a body, discharging device, electric heating device, and control unit. The electric heating device heats the surrounding environment of the materials in the kiln, and the temperature is monitored by a thermocouple. The kiln body has a certain inclination angle, with the feed end at a higher position than the discharge end. As the material rotates with the furnace tube, it passes through various temperature zones before being discharged.

Why Pyrolysis Of Biomass?

Pyrolysis of biomass is done to convert waste biomass into valuable products like biofuels, chemicals, and other substances. It offers environmental and economic benefits like the reduction of greenhouse gas emissions compared to fossil fuels, the production of renewable energy, and the potential for carbon sequestration through the production of biochar. Although there are cons to the process like high capital and operating costs, technical challenges in scaling up the process, and potential for emissions of pollutants, the potential benefits make it a sustainable and carbon-neutral source of energy and materials.

How Does A Graphitization Furnace Work?

A graphitization furnace works by subjecting carbonaceous materials to extremely high temperatures, typically between 2500 to 3000 degrees Celsius, in an inert atmosphere. This process rearranges the carbon atoms in the material, converting it into graphite, which has unique properties such as high thermal conductivity, low thermal expansion, and chemical inertness.

What Are The Applications Of Pyrolysis Furnaces?

Pyrolysis furnaces have various applications across different industries. They are commonly used in the fields of waste management and recycling to convert organic waste materials, such as plastics, rubber, or biomass, into valuable products like biochar, biofuels, or syngas. Pyrolysis furnaces are also utilized in the production of carbon fibers, activated carbon, and other carbon-based materials. Additionally, they are employed in research and development for studying the pyrolysis behavior of different materials, investigating reaction kinetics, and exploring novel applications for pyrolysis-derived products.

What Are The Advantages Of A Rotary Tube Furnace?

The advantages of a rotary tube furnace include improved gas diffusion, reduced gas consumption, increased heat treatment efficiency, and improved product homogeneity. These furnaces provide an efficient way to transfer heat over a short time and continuously run batches of materials. Rotary tube furnaces can be custom designed for specific requirements, including temperature control, workspace size, residence time, tube rotation rate, and atmosphere flow rate. When choosing a tube for a rotary tube furnace, key points to consider include rotational speed, amount of material, tube diameter, suspended length, and tube thickness.

What Is The Function Of Rotary Tube Furnace?

The function of a rotary tube furnace is to heat loose materials for physiochemical processing. The furnace features a rotating tube that holds the sample and applies heat in multiple thermal control zones. Heating gases created by burning fuel flow towards the sample through the furnace. Rotary tube furnaces are used for manufacturing materials such as alumina, vermiculite, iron ore pellets, and cement clinker, as well as for oxidation and calcination processes. These furnaces can be made of ceramic, quartz, or high-temperature alloy and can be built with a wide temperature range for various applications.

What Is The Use Of Muffle Furnace For Ash?

Muffle furnaces are commonly used for ashing samples, which involves heating materials to high temperatures to determine their percentage of ash content. This process is helpful in testing and treating materials in various industries such as cement making, foundry, and nuclear sectors. The standard muffle furnace is also used for manufacturing glass, ceramics, and other materials. Overall, muffle furnaces play a vital role in material testing and treatment at high temperatures, making them a crucial apparatus in many industries.

What Are The Advantages Of Electric Rotary Kiln?

The advantages of electric rotary kiln include high thermal efficiency, no smoke, ash, or slag, easy automatic control of conditions, high kiln temperature control accuracy, and avoidance of corrosion and environmental pollution problems. Electric rotary kilns use clean electricity and do not require fuel storage or transportation stations. They are suitable for narrow pre-firing temperature processes and can be used for various materials, including positive and negative electrode materials, rare earth materials, chemical catalytic materials, and non-metallic mineral materials. The electric rotary kilns by KinTek feature high-speed electric heating, intelligent PID thermal control technology, and excellent dynamic sealing technology for inert gas protection.

What Are The Advantages Of Biomass Pyrolysis?

The advantages of biomass pyrolysis include high energy efficiency, production of valuable by-products such as bio-oil and biochar, low emissions, carbon neutrality, flexibility, and reduced dependence on fossil fuels. However, there are also disadvantages such as high capital costs, complexity, feedstock variability, and pollution. Suitable biomass feedstocks include wood waste, agricultural waste, municipal solid waste, algae, and biomass from invasive species. Overall, biomass pyrolysis offers a number of environmental and economic benefits, but it is important to carefully consider the potential impacts of the process and to ensure responsible implementation.

What Are The Advantages Of Using A Graphitization Furnace?

The advantages of using a graphitization furnace include the production of high-quality graphite with excellent thermal conductivity, low thermal expansion, and chemical inertness. These properties make graphite ideal for a wide range of high-temperature applications in industries like metallurgy, electronics, and aerospace.

What Are The Advantages Of Using Pyrolysis Furnaces?

Pyrolysis furnaces offer several advantages for thermal decomposition processes. They allow for the controlled and precise heating of organic materials, ensuring consistent and reproducible results. The absence of oxygen prevents combustion and allows for the production of valuable pyrolysis products. Pyrolysis furnaces can handle a wide range of feedstock materials, including various waste streams, biomass, and plastics. They enable the conversion of these materials into useful products like biochar, biofuels, or syngas, contributing to waste reduction and resource recovery. The process is typically energy-efficient, and the resulting products can have various applications in energy, agriculture, and manufacturing industries.

What Are The Advantages Of Rotary Tube Furnace?

Rotary tube furnaces offer efficient heat transfer over a short period, continuously processing batches of material while minimizing material handling. The furnace's continuous movement exposes the entire sample surface to the atmosphere, improving gas diffusion and reducing gas consumption to increase heat treatment efficiency.

What Is The Temperature Of Muffle Furnace?

The temperature range of a muffle furnace is between 800°C to 1800°C, with a maximum temperature of 1473 K (1200°C; 2192°F). It is crucial to choose a furnace that will reach the desired temperature for your applications. Muffle furnaces are commonly used in metallurgy, glassmaking, ceramics, and other industries that require materials to be melted or heated to high temperatures. It usually takes approximately an hour for a muffle furnace to reach maximum temperature.

What Can Electric Rotary Kiln Be Used For?

Electric rotary kiln, also known as rotary kiln electric furnace, is used for high-temperature oxidation and reduction reactions, and for calcining granular or powder materials. It is widely used in industries such as rare earth materials, nonferrous metal materials, chemical catalytic materials, powder metallurgy materials, and kaolin non-metallic mineral materials.

What Are The Steps Of Biomass Pyrolysis?

The steps of biomass pyrolysis include drying, pyrolysis, and cooling. In the drying stage, moisture is removed from the biomass. The pyrolysis stage involves heating the dried biomass in the absence of oxygen to temperatures between 300-900°C, causing it to decompose into bio-oil, biochar, and syngas. In the final stage, the pyrolysis products are cooled and separated into their desired forms. The bio-oil can be used as a fuel, biochar as a soil amendment, and syngas as a fuel or for electricity generation. The pyrolysis process may vary depending on the feedstock used and the desired end product.

What Factors Should Be Considered When Selecting A Pyrolysis Furnace?

Several factors should be considered when selecting a pyrolysis furnace. The desired temperature range and heating rate capability of the furnace should match the requirements of the pyrolysis process under consideration. The furnace size and capacity should be suitable for the volume of material to be processed. The control and monitoring features, such as temperature control accuracy and data logging capabilities, should be evaluated to ensure precise and reliable operation. Safety features, such as gas flow control, exhaust systems, and over-temperature protection, should be present to ensure safe operation. Finally, cost, maintenance requirements, and compatibility with other equipment or downstream processes should be taken into account when selecting a pyrolysis furnace.

Which Biomass Is Suitable For Pyrolysis?

Various types of biomass are suitable for pyrolysis, including wood, agricultural residues, and even municipal waste. Wood sources such as forest trees and branches are still the main source of biomass for various applications. Agricultural residues such as sugarcane bagasse, rice straw, cotton stalks, and wheat straw can also be used for pyrolysis. Municipal waste is also considered biomass. The amount of biomass available annually is approximately 105 billion metric tons of carbon per year.

What Safety Precautions Should Be Followed When Using A Pyrolysis Furnace?

When using a pyrolysis furnace, several safety precautions should be followed to ensure safe operation. The furnace should be placed in a well-ventilated area or equipped with proper exhaust systems to prevent the buildup of hazardous gases or fumes. It is important to carefully handle and load the organic materials to avoid potential hazards or accidents. The furnace should be operated within the recommended temperature range and not exceeded to prevent safety risks or damage to the equipment. Proper personal protective equipment, such as heat-resistant gloves, safety goggles, and fire-resistant clothing, should be worn when handling hot materials or operating the furnace. Regular maintenance and inspections should be carried out to ensure the integrity and functionality of the furnace. Lastly, it is crucial to follow the manufacturer's guidelines and instructions for safe operation and emergency shutdown procedures.
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4.8

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The delivery was incredibly fast. I placed the order on Monday and received it on Wednesday. The packaging was secure and the product arrived in perfect condition.

Aarav Shah

4.9

out of

5

This furnace is a great value for the price. It's well-made and has all the features I need.

Elena Green

4.7

out of

5

The quality of this furnace is excellent. It's made from high-quality materials and is built to last.

Muhammad Khan

4.8

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5

I've been using this furnace for several months now and it's still going strong. It's very durable and has held up well to heavy use.

Isabella Garcia

4.9

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The technological advancement of this furnace is impressive. It's equipped with the latest features and is very user-friendly.

Oliver Chen

4.7

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I highly recommend this furnace to anyone in need of a high-quality, durable, and technologically advanced product.

Sophia Patel

4.8

out of

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The furnace arrived on time and in perfect condition. It was easy to set up and use.

Jackson Kim

4.9

out of

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The furnace has met all of my expectations. It's a great product that I would definitely recommend to others.

Aiden White

4.7

out of

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I'm very happy with the performance of this furnace. It's a great value for the price.

Mia Rodriguez

4.8

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The furnace is very well-made and has a sturdy construction. I'm confident that it will last for many years to come.

Ethan Johnson

PDF - Negative Material Graphitization Furnace

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Catalog of Graphitization Furnace

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Catalog of Graphitization Furnace

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Catalog of Pyrolysis Furnace

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Catalog of Rotary Tube Furnace

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Catalog of Muffle Furnace

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Catalog of Electric Rotary Kiln

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Catalog of Biomass Pyrolysis

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Rotary Furnaces: Advanced Materials Processing and Applications

Rotary Furnaces: Advanced Materials Processing and Applications

Rotary furnaces are versatile and efficient thermal processing systems used in various industries. This comprehensive guide explores the basics of rotary furnaces, their applications, advantages, and key components. Discover how rotary furnaces contribute to advanced materials processing and enhance productivity.

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Common Problems and Considerations in Graphite Rods for Vacuum Sintering Furnaces

Common Problems and Considerations in Graphite Rods for Vacuum Sintering Furnaces

Discusses the selection, performance, installation, and maintenance of graphite rods in vacuum sintering furnaces.

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Application of Isostatic Graphite in the Photovoltaic Industry

Application of Isostatic Graphite in the Photovoltaic Industry

An overview of the use of isostatic graphite in various stages of photovoltaic production and its market demand.

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How to Choose a Laboratory Tube Furnace

How to Choose a Laboratory Tube Furnace

Guide on selecting a laboratory tube furnace based on temperature, sample size, temperature zones, and functions.

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Comparison of Common Semiconductor Annealing Processes

Comparison of Common Semiconductor Annealing Processes

An overview of different semiconductor annealing methods and their characteristics.

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Characteristics and Applications of Different Types of Furnaces in Metal Processing

Characteristics and Applications of Different Types of Furnaces in Metal Processing

This article discusses the features and uses of various furnaces in metal processing, including electric arc, die-casting, aluminum scrap melting, crucible, high-temperature box-type resistance, and die-casting natural gas furnaces.

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